pylance standardization

src/window/terminal.py

@@ -1,21 +1,24 @@
 """
 Filename: terminal.py
-Description: Terminal window for FLARES
+Description: Terminal window
+Note: Compliant with pylance strict type checking
 
 Author: Tyler de Zeeuw
 License: GPL-3.0
 """
 
+from typing import Any, Callable
+
 from PySide6.QtWidgets import QWidget, QVBoxLayout, QTextEdit, QLineEdit
 from PySide6.QtCore import Qt
 
 from src.shared.shareddata import API_URL, API_URL_SECONDARY, APP_NAME, CURRENT_VERSION, PLATFORM_NAME
 from src.window.about import AboutWindow
-from updater import LocalPendingUpdateCheckThread, UpdateManager
+from updater import UpdateManager
 
 
 class TerminalWindow(QWidget):
-    def __init__(self, parent=None):
+    def __init__(self, parent: QWidget | None = None) -> None:
         super().__init__(parent, Qt.WindowType.Window)
         self.setWindowTitle(f"Terminal - {APP_NAME.upper()}")
         self.resize(320, 180)
@@ -30,7 +33,7 @@ class TerminalWindow(QWidget):
         layout.addWidget(self.input_line)
         self.setLayout(layout)
 
-        self.commands = {
+        self.commands: dict[str, Callable[..., Any]] = {
             "hello": self.cmd_hello,
             "help": self.cmd_help,
             "version": self.cmd_version,
@@ -68,22 +71,22 @@ class TerminalWindow(QWidget):
             self.output_area.append(f"[Unknown command] '{command_name}'")
 
 
-    def cmd_hello(self, *args):
+    def cmd_hello(self, *args: Any) -> str:
         return "Hello from the terminal!"
 
-    def cmd_help(self, *args):
+    def cmd_help(self, *args: Any) -> str:
         return f"Available commands: {', '.join(self.commands.keys())}"
     
-    def cmd_version(self, *args):
+    def cmd_version(self, *args: Any) -> str:
         return f"{APP_NAME.upper()} is running version {CURRENT_VERSION}."
     
-    def cmd_about(self, *args):
+    def cmd_about(self, *args: Any) -> None:
         self.about = AboutWindow(self)
         self.about.show()
 
-    def cmd_update(self, *args):
+    def cmd_update(self, *args: Any) -> str:
         main_win = self.parent()
-        if main_win is None:
+        if not isinstance(main_win, QWidget):
             return "[Error] Main window context not found."
         
         self.updater = UpdateManager(